If you are looking for a job in the UK then, you should probably visit the website jobseekers.direct.gov.uk.
The service is provided by jobcentresplus, part of the Department for Work and Pensions.
On this website you can do a job and skills search. You can search for jobs, careers, childcare or voluntary work
Maybe the best of way of searching for any of the above information is simply to type what you are looking for into the Search box or to select one of the links on the Search Page.
Moreover, there is the option of advanced search in case you have specific search requirements such as the hours you want to work.
For the time being the most popular job searches are: Administrative assistant, Shop worker, Call centres, Cashier, Manufacturing assembly, Nursery nurse, bar staff and various other job types.
In addition to the above there is the option of search personalization with My Searches. Furthermore, additional information is provided concerning the Directgov Jobseekers Homepage, Search tips, Public appointments, about jobs and a special section for those seeking employment in Northern Ireland.
All the above information is provided by Jobcentre Plus and its partners while vacancies specifically are supplied by Jobcentre Plus.